WalterMatthau'sco-stars,friendsandfamilysharestoriesandbehind-the-scenesinsightsintowhathewaslikeoff-camera.Matthau'spassionforclassicalmusic,horse-racing,gamblingandsportsareexplored.ThedocumentaryisfulloffilmclipsandphotographsofMatthau'spersonallifeandcareeraswellasinterviewswithfriends,familyandcolleagues.Co-starsDyanCannon,BrentSpiner,KevinPollak,MasonGamble,PiperLaurieandRichardBenjaminareinterviewed.LongtimepalJackLemmonlooksbackontheirfourdecadesoffriendshipandcreativecollaborations.ConductorZubinMehtaandclassicalmusichostTomDixontalkaboutMatthau'ssurprisinglyin-depthknowledgeofMozart.WriterNeilSimonandactorRichardBenjaminrecallwhatitwasliketoseeMatthau'smeteoricriseonBroadwayandhisfamouslyrivetingliveperformancesas"OscarMadison"inTheOddCouple.Matthau'ssonCharliesharesalookatWalter'ssurprisingpersonallife-includinghisrefinedtastein...